| APA | NNFU. (2012, February 14). In Acronym Geek. Retrieved 18:20, February 14, 2012, from http://www.acronymgeek.com/NNFU |
| MLA | "NNFU." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NNFU>. |
| MHRA | 'NNFU', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NNFU> [accessed 14 February 2012] |
| Chicago | "NNFU", http://www.acronymgeek.com/NNFU (accessed February 14, 2012). |
| CBE/CSE | NNFU [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NNFU. |
| Bluebook | NNFU, http://www.acronymgeek.com/NNFU (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NNFU, http://www.acronymgeek.com/NNFU (optional description here) (as of Feb. 14, 2012, 18:20). |
| AMA | NNFU. Acronym Geek. February 14, 2012, 18:20. Available at: http://www.acronymgeek.com/NNFU. Accessed February 14, 2012, 18:20. |